Contra Costa County property record for 50 Mountaire Pl, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,637 sqft · built 1974 |
| Lot Size | 0.321 acres (14,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,750,000 (Oct 2024) |
| Tax Bill | $20,582 (2025) |
| Deeds & Mortgages | Jun 2022 Line of Credit Oct 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-290-020-5 |
| Primary APN | 119-290-020-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,637 sqft Living Area |
| Gross Area | 3,290 sqft |
| 1st Floor Area | 1,444 sqft |
| 2nd Floor Area | 1,193 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Traditional |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 14,000 sqft (0.321 acres) |
| Garage Type | Attached |
| Garage Area | 653 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 50 MOUNTAIRE PL |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1525 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04015 L0020 B EX MR |
| Legal Subdivision | SUBDIVISION 4015 |
| Legal Tract | 04015 |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 355306 |
50 Mountaire Pl is owned and occupied by two individuals who bought it in October 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 13, 2022 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Oct 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Jul 18, 2017 | Deed of Trust, Mortgage · Conventional Mortgage CARDINAL FINANCIAL COMPANY LP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 22, 2024 · Amount on File |
| Deed Sale | Oct 22, 2024 · Amount on File |
| Prior Sale | Sep 14, 2012 · Amount on File |
| Deed Document Number | 2024105869 |
| Prior Transfer Date | Nov 28, 2006 |
| Prior Transfer Doc | 0000389447 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Transaction Type | Mortgage |
| Record Updated | Jun 9, 2026 |
| Name | Verified Name |
|---|---|
| Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Document Number | 0000097759 |
|---|---|
| Date | Jun 13, 2022 |
| Instrument | 2022-097759 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Transaction Type | Mortgage |
| Record Updated | Jun 9, 2026 |
| Title Company | AMERICAN SW TITLE, AMERICAN COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Document Number | 0000303915 |
|---|---|
| Date | Oct 29, 2021 |
| Instrument | 2021-303915 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 50 MOUNTAIRE PL, CLAYTON, CA 94517-1525 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ADVANTAGE TITLE LLC |
| Name | Verified Name |
|---|
| Document Number | 0000128373 |
|---|---|
| Date | Jul 18, 2017 |
| Instrument | 2017-128373 |
| Name | CARDINAL FINANCIAL COMPANY LP |
|---|---|
| Type | Mortgage Company |
| Address | CHARLOTTE, NC 28273 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2047 |
The 2025 property tax bill for 50 Mountaire Pl was $20,582 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,785,000 (+2%) Land $816,000 Building $969,000 | |
| 2025 | $20,582.00 Homeowner's exemption | $1,750,000 Land $800,000 Building $950,000 |
| 2023 | $7,979.00 (+1.4%) | $608,760 Land $378,749 Building $230,011 |
| 2022 | $7,869.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 50 Mountaire Pl in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 50 Mountaire Pl is high, ranking above 76% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 420 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures